CN115198946B - Prefabricated laminated slab fixed mounting structure and construction method - Google Patents
Prefabricated laminated slab fixed mounting structure and construction method Download PDFInfo
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- CN115198946B CN115198946B CN202210782085.8A CN202210782085A CN115198946B CN 115198946 B CN115198946 B CN 115198946B CN 202210782085 A CN202210782085 A CN 202210782085A CN 115198946 B CN115198946 B CN 115198946B
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- template
- laminated
- locking
- superimposed
- laminated slab
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0627—Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B2005/173—Floor structures partly formed in situ with permanent forms for the floor edges
Abstract
The invention relates to the technical field of laminated slab construction, in particular to a prefabricated laminated slab fixed mounting structure and a construction method, wherein the prefabricated laminated slab fixed mounting structure adopts the following technical scheme: including superimposed sheet, horizontal interval distribution is two at least, post-cast strip is located between two pairs of superimposed sheets, the template is located the below of post-cast strip to both ends overlap joint with the superimposed sheet that corresponds, the support frame, quantity and coincide are the same, and the superimposed sheet below of corresponding support in the template both sides, line lock device, the upper surface and the superimposed sheet of connection template, wherein, line lock device has two at least columns, two are listed as line lock device and are corresponded the superimposed sheet of connecting the template both sides respectively, wherein, mentions one of them line lock device when the template is installed, the template is in slope or vertical state, so that the template passes the clearance between two superimposed sheets. The application has the effect of efficiently performing superimposed sheet construction.
Description
Technical Field
The application relates to the technical field of laminated slab construction, in particular to a prefabricated laminated slab fixed mounting structure and a construction method.
Background
Superimposed sheets are used as prefabricated building elements, and are increasingly being used when pushing assembled buildings.
At present, a post-cast strip is generally required to be arranged at the joint of the prefabricated laminated slab, and the construction method of the post-cast strip comprises the following steps:
1. erecting a scaffold on a floor slab below the post-pouring strip of the laminated slab;
2. setting a template at the top of the scaffold;
3. and integrally pouring the laminated slab, the post-pouring belt above the template and the floor slab.
With respect to the related art, the inventor considers that the scaffold construction must be performed on the lower floor slab by constructors, and layer-by-layer construction is required, resulting in low construction efficiency.
Disclosure of Invention
For efficient superimposed sheet construction, the application provides a prefabricated superimposed sheet fixed mounting structure and construction method.
The first technical purpose of this application provides a prefabricated superimposed sheet fixed mounting structure and adopts following technical scheme: comprising
At least two superimposed sheets are horizontally distributed at intervals,
the post-pouring belt is positioned between two adjacent pairs of superimposed sheets,
the template is positioned below the post-pouring belt, and two ends of the template are lapped with the corresponding superimposed sheet,
the number of the supporting frames is the same as that of the overlapping plates, and the supporting frames are correspondingly supported below the overlapping plates at two sides of the template,
a line locking device for connecting the upper surface of the template and the superimposed sheet,
wherein the line locking device has at least two lines, the two lines of line locking devices are respectively and correspondingly connected with the superimposed sheets on the two sides of the template,
wherein, when installing the template, lift the line lock device of one of them, the template is in slope or vertical state to the clearance between two superimposed sheets is passed to the template.
Through adopting above-mentioned technical scheme, when installing the template, lift a row of line locking device, the template is in slope or vertical state to the template passes the clearance between two superimposed sheets, then through lifting another row of line locking device, can make the template be in the horizontally state again, above-mentioned operation makes operating personnel stand on the superimposed sheets of post-cast strip both sides can operate. And moreover, the template and the superimposed sheet can be fixed through the line locking device, so that a supporting frame is not required to be erected below the corresponding template, and the construction efficiency is improved.
In addition, the support frame is not erected below the post-pouring belt, so that a channel which can be used for a constructor to pass is reserved on the lower floor slab, and the channel can be used for passing and conveying building materials, and the construction efficiency is improved.
Optionally: the wire locking device comprises a wire rope and a locking assembly, wherein two ends of the wire rope are respectively connected with the locking assembly and the laminated plate, and the locking assembly is fixed on a longitudinal rib of the laminated plate.
Through adopting above-mentioned technical scheme, utilize the unique steel bar structure of superimposed sheet, locking component that can be convenient is fixed on indulging the muscle to can conveniently connect engineering jack-up apparatus when being under construction through the cotton rope, carry the template to mention.
Optionally: the locking assembly comprises two locking blocks, the two locking blocks are connected through a fastener, and the longitudinal ribs are clamped between the two locking blocks.
By adopting the technical scheme, after the template is overlapped with the superimposed sheet, the locking assembly is required to be fixed with the longitudinal ribs. When the locking component is installed, the locking blocks are arranged on two sides of the longitudinal ribs, and then the two locking blocks are connected through the fastener, so that the longitudinal ribs are clamped, and the locking component is fixed on the longitudinal ribs.
Optionally: each locking piece is connected with a fixed hook which is hooked on the superimposed sheet steel bar frame connected with the longitudinal bar.
Through adopting above-mentioned technical scheme, before fixing locking component at the longitudinal reinforcement, utilize the fixed hook to collude earlier on the steel reinforcement frame of superimposed sheet to realize locking component's preliminary fixed, and then make things convenient for locking component's installation operation.
Optionally: a guide groove is formed in one end, facing the cast-in-situ belt, of the longitudinal rib of the laminated plate, and the rope is located in the guide groove.
By adopting the technical scheme, the guide groove guides and positions the wire rope, so that the wire rope can be conveniently and accurately arranged.
Optionally: the lower surfaces of the superimposed sheets positioned on two sides of the cast-in-situ belt are provided with leveling grooves, the templates are accommodated in the leveling grooves, and the lower surfaces of the templates are level with the lower surfaces of the superimposed sheets.
Through adopting above-mentioned technical scheme, the lower surface of superimposed sheet keeps the parallel and level with the lower surface of template, after the template construction finishes, need not demolish the template, can directly brush the architectural decoration layer in the below of template and superimposed sheet, has further improved the efficiency of construction.
Optionally: the two sides of the template, which are lapped with the laminated plates, are provided with studs, the laminated plates are provided with connecting grooves corresponding to the studs, and the studs are arranged above the laminated plates in a penetrating way through the connecting grooves and are in threaded connection with locking nuts.
Through adopting above-mentioned technical scheme, after template and superimposed sheet overlap joint, the double-screw bolt penetrates to the top of superimposed sheet, can fix the template on the superimposed sheet through the spiro union nut on the double-screw bolt. When the floor concrete layer is poured, the bolts are poured in the concrete layer without dismantling, so that the construction efficiency is improved.
The second technical purpose of this application is to provide a prefabricated superimposed sheet fixed mounting structure's construction method and adopt following technical scheme: the method comprises the following steps of:
s1, erecting a plurality of support frames, and keeping gaps between the support frames;
s2, correspondingly arranging laminated plates at the upper end of each pair of supporting frames, and keeping a gap between the laminated plates;
s3, lifting one line of the line locking devices to enable the template to be in an inclined or vertical state;
s4, controlling the template to descend so that the template descends from gaps among the superimposed sheets to the position below the superimposed sheets;
s5: lifting the other line locking device to enable the template to be in a horizontal state, and enabling two sides of the template to be in contact lap joint with the lower surface of the corresponding laminated plate;
s6: and fixing the line locking device and the laminated plate.
In summary, the present application has the following beneficial effects:
1. when installing the template, lift up a row of line locking device, the template is in slope or vertical state to the template passes the clearance between two superimposed sheets, then through lifting up another row of line locking device, can make the template be in the state of level again, above-mentioned operation makes operating personnel stand on the superimposed sheets of post-cast strip both sides can operate. In addition, the template and the superimposed sheet can be fixed through the line locking device, so that a supporting frame is not required to be erected below the template correspondingly, and the construction efficiency is improved;
2. the lower surface of the laminated slab is kept level with the lower surface of the template, after the template is constructed, the template is not required to be dismantled, and the building decoration layer can be directly brushed below the template and the laminated slab, so that the construction efficiency is further improved;
3. because the support frame is not erected below the post-pouring belt, a channel which can be used for constructors to pass is reserved on the lower floor slab, and the channel can be used for passing and conveying building materials, so that the construction efficiency is improved.
Drawings
Fig. 1 is a schematic overall structure of the present application.
Fig. 2 is a schematic diagram of a connection structure between a laminated slab and a template in the present application.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is a schematic diagram of a laminated board structure of the present application.
Fig. 5 is a schematic diagram of the template structure of the present application.
Reference numerals illustrate:
1. superimposed sheets; 2. a template; 3. a support frame; 4. a wire lock device; 5. a plate body; 6. a reinforcing steel bar bracket; 7. longitudinal ribs; 8. a string; 9. a locking assembly; 10. a connecting strip; 11. a locking piece; 12. a fastener; 13. an arc-shaped groove; 14. a fixed hook; 15. tensioning a bolt; 19. a stud; 20. a connecting groove; 21. a lock nut; 22. and reserving ribs.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
As shown in fig. 1, for a prefabricated laminated slab fixed mounting structure disclosed in the application, including laminated slab 1 and template 2, wherein the below of laminated slab 1 is provided with support frame 3 and supports, and template 2 sets up the post-cast strip below between laminated slab 1 to template 2 is connected fixedly with laminated slab 1 through line locking device 4, so can save support frame 3 of template 2 below.
As shown in fig. 2, at least two laminated plates 1 are horizontally and alternately distributed, and a plurality of laminated plates 1 may be horizontally and upwardly distributed in an array form, and gaps are kept between adjacent laminated plates 1. Each superimposed sheet 1 is correspondingly supported by an independent supporting frame 3, and a gap is formed between every two adjacent supporting frames 3. And the gap between the laminated plates 1 and 1 is the post-pouring zone for pouring concrete.
As shown in fig. 1 and 2, the form 2 is disposed below the post-cast strip, and both sides of the width of the form 2 are bonded and overlapped with the lower surface of the corresponding laminated slab 1. Because the template 2 is fixed with the superimposed sheet 1 through the line locking device 4, the support frame 3 below the template 2 can be saved, and the construction efficiency is improved.
The laminated slab 1 comprises a slab body 5, and a reinforcing steel bar bracket 6 and a longitudinal bar 7 protruding out of the slab body 5, wherein the lower part of the reinforcing steel bar bracket 6 is fixed in the slab body 5, and the longitudinal bar 7 is fixed at the top of the reinforcing steel bar bracket 6.
As shown in fig. 2 and 3, the wire lock device 4 for fixing the template 2 includes a wire rope 8 and a locking component 9, wherein the template 2 is made of metal, specifically steel or aluminum alloy, a connecting strip 10 is fixedly arranged in the middle of the template 2, and the connecting strip 10 is arranged along the length direction of the template 2. Specifically, one end of the rope 8 is fixedly connected with the connecting strip 10, the other end is connected with the locking component 9, the locking component 9 is connected with the longitudinal ribs 7 and the reinforcing steel bar support 6, and the rope 8 can be specifically a steel strand or a steel wire.
The locking assembly 9 comprises two locking pieces 11, the two locking pieces 11 are connected through a fastener 12, and the longitudinal rib 7 is clamped between the two locking pieces 11. The two locking blocks 11 are mutually attached, one surface of the two locking blocks 11 which are mutually attached is provided with an arc-shaped groove 13, the two arc-shaped grooves 13 are spliced to form a round channel which is mutually adaptive to the longitudinal ribs 7, and the longitudinal ribs 7 are positioned in the round channel. The inner wall of the arc-shaped groove 13 is provided with raised grains which can be used for enhancing the friction force between the locking piece 11 and the longitudinal ribs 7. The fastening pieces 12 connecting the two lock pieces 11 are bolts, and two fastening pieces 12 are arranged on two sides of the circular channel. The two lock pieces 11 are arranged one above the other, and the bolt fastener 12 penetrates from the lock piece 11 located at the upper part to the lock piece 11 located at the lower part and is in threaded connection with the lock piece 11 located at the lower part.
The two locking blocks 11 are connected with a pair of fixed hooks 14, wherein the two pairs of fixed hooks 14 are positioned on two opposite sides. In the process of installing the template 2, the template 2 and the laminated slab 1 can be preliminarily fixed by hooking the template on the reinforcing steel bar bracket 6 through the fixing hooks 14, then the two locking blocks 11 are connected by the fastening pieces 12, and the longitudinal bars 7 are clamped.
As shown in fig. 3 and 4, the locking block 11 at the upper part is further penetrated and screwed with a tensioning bolt 15, the axial direction of the tensioning bolt 15 is parallel to the axial direction of the longitudinal rib 7, and the axial direction of the tensioning bolt 15 is perpendicular to the arrangement direction of the connecting strip 10. The end of the cord 8 connected to the locking assembly 9 is in particular connected to a tensioning bolt 15.
After the template 2 is preliminarily connected with the laminated slab 1, namely, after the locking assembly 9 is fixed on the longitudinal ribs 7, the tensioning bolts 15 are rotated to pay off far away from the template 2, so that the rope 8 can be tensioned, and the template 2 can be further attached to the laminated slab 1. In addition, since one end of the string 8 is connected to the connecting bar 10 located at the middle of the form 2, the middle of the form 2 may arch upward during the tensioning of the string 8.
After the template 2 is installed, concrete needs to be poured on the post-pouring belt above the template 2, and after the template 2 bears the weight of the concrete, the middle part of the template 2 can slightly arch downwards, so that the flatness of the lower part of the concrete layer is affected. In this application, since the formwork 2 may be upwardly arched during the process of tensioning the string 8, the formwork 2 may be upwardly arched in advance after the concrete is poured on the formwork 2 to counteract the downwardly arched form 2 after the load is applied thereto.
A guide block is fixed at one end of the longitudinal rib 7 of the laminated plate 1 facing the cast-in-situ belt, a guide groove is formed at the upper end of the guide block, and a rope 8 is positioned in the guide groove. The guide groove guides and positions the thread rope 8, so that the thread rope 8 can be accurately arranged conveniently.
Specifically, the support frame 3 is further kept at a certain distance from the post-cast strip in the horizontal direction, that is, the lower part of the laminated slab 1 close to the post-cast strip is not supported by the support frame 3. The lower surface of the portion of the superimposed sheet 1 not supported by the support frame 3 is preset with a flat groove provided along the length direction of the die plate 2, and both sides of the width of the die plate 2 are accommodated in the flat groove, and the lower surface of the die plate 2 is kept flush with the lower surface of the superimposed sheet 1.
As shown in fig. 1-5, a construction method for a prefabricated laminated slab fixing and installing structure disclosed in the application comprises the following steps:
s1, erecting a plurality of support frames 3, and keeping gaps between the support frames 3 and the support frames 3;
s2, correspondingly mounting the laminated plates 1 at the upper end of each pair of supporting frames 3, and keeping a gap between the laminated plates 1 and the laminated plates 1;
s3, a constructor stands on the superimposed sheet 1 at two sides, lifts and applies force to the line lock device 4 of one line, and does not apply force to the line lock device 4 of the other line, so that the template 2 is in an inclined or vertical state;
s4, controlling the template 2 to descend so that the template 2 descends to the lower part of the laminated slab 1 from the gaps among the laminated slabs 1;
s5: lifting the other line locking device 4 to enable the template 2 to be in a horizontal state, enabling two sides of the template 2 to be in contact lap joint with the lower surface of the corresponding laminated slab 1, and enabling the template 2 to enter into a leveling groove;
s6: fixing the wire locking device 4 with the laminated slab 1
S6-1: a lock nut 21 is screwed after the stud 19 is penetrated to the upper part of the laminated slab 1;
s6-2: hooking the fixed hook 14 on the proper reinforcing steel bar bracket 6;
s6-3: two locking blocks 11 in the locking assembly 9 are respectively arranged above and below the longitudinal ribs 7, and then the two locking blocks 11 are connected through a bolt fastener 12, so that the two locking blocks 11 clamp the longitudinal ribs 7, and the locking blocks 11 are fixed on the longitudinal ribs 7;
s6-4: the position of the thread rope 8 is adjusted to enable the thread rope 8 to be positioned in the guide groove;
s6-5: the tensioning bolt 15 is rotated to pay out the template 2, so that the rope 8 is tensioned, and the template 2 can be further attached to the laminated plate 1.
And in the process of stretching the rope 8, the middle part of the template 2 is arched upwards;
s6-6: and (3) pouring concrete layers above the templates 2 and the superimposed sheet 1 to form a floor slab, wherein the concrete layers cover all parts of the line locking device 4, the studs 19 and the like for connecting the templates 2 and the superimposed sheet 1.
S6-7: after the floor is poured, the template 2 is not dismantled any more, and the building decoration layer is directly brushed on the template 2 and the superimposed sheet 1, and the construction efficiency can be further improved because the template 2 is not dismantled.
In summary, the support frame 3 is not required to be erected below the template 2 in the construction process of the template 2, but construction operation can be performed by a constructor standing on the upper portion of the laminated slab 1, so that the consumption of the support frame 3 and the erection engineering quantity are reduced. The interval between support frame 3 and the support frame 3 can supply the current passageway of constructor, and the passageway can be used to current, transports the building materials, has consequently improved the efficiency of construction more.
In addition, parts such as the wire locking device 4, the stud 19 and the like for connecting the template 2 and the laminated slab 1 are not required to be removed, the lower surface of the laminated slab 1 is kept flush with the lower surface of the template 2, after the construction of the template 2 is finished, the template 2 is not required to be removed, and the building decoration layer can be directly brushed under the template 2 and the laminated slab 1, so that the construction efficiency is further improved.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A prefabricated superimposed sheet fixed mounting structure, its characterized in that: comprising
At least two superimposed sheets (1) are horizontally and alternately distributed,
the post-pouring belt is positioned between two adjacent pairs of superimposed sheets (1),
the template (2) is positioned below the post-pouring belt, and two ends of the template are overlapped with the corresponding laminated plates (1),
the number of the supporting frames (3) is the same as that of the overlapping plates, and the supporting frames are correspondingly supported below the overlapping plates (1) at the two sides of the template (2),
a wire locking device (4) for connecting the upper surface of the template (2) and the superimposed sheet (1),
wherein the line locking device (4) has at least two rows, the two rows of line locking devices (4) are respectively correspondingly connected with the superimposed sheet (1) on two sides of the template (2),
wherein, when the template (2) is installed, the line locking device (4) of one line is lifted, and the template (2) is in an inclined or vertical state, so that the template (2) passes through a gap between two superimposed sheets (1);
the wire locking device (4) comprises a wire rope (8) and a locking component (9), wherein the two ends of the wire rope (8) are respectively connected with the locking component (9) and the laminated plate (1), the locking component (9) is fixed on a longitudinal rib (7) of the laminated plate (1),
the locking assembly (9) comprises two locking blocks (11) which are arranged up and down, the two locking blocks (11) are connected through a fastener (12), the longitudinal rib (7) is clamped between the two locking blocks (11), a connecting strip (10) is fixedly arranged in the middle of the template (2), the connecting strip (10) is arranged along the length direction of the template (2), a tensioning bolt (15) is further connected through the locking blocks (11) on the upper portion in a threaded mode, the axial direction of the tensioning bolt (15) is parallel to the axial direction of the longitudinal rib (7), the axial direction of the tensioning bolt (15) is perpendicular to the setting direction of the connecting strip (10), and one end of the rope (8) is connected with the tensioning bolt (15).
2. The prefabricated laminated slab fixing and mounting structure according to claim 1, wherein: each locking block (11) is connected with a fixed hook (14), and the fixed hooks (14) are hooked on a reinforcing bar frame of the laminated plate (1) connected with the longitudinal ribs (7).
3. The prefabricated laminated slab fixing and mounting structure according to claim 1, wherein: a guide groove is formed in one end, facing the cast-in-situ belt, of the longitudinal rib (7) of the laminated plate (1), and the thread rope (8) is located in the guide groove.
4. The prefabricated laminated slab fixing and mounting structure according to claim 1, wherein: the lower surfaces of the superimposed sheets (1) positioned on two sides of the cast-in-situ belt are provided with leveling grooves, the templates (2) are accommodated in the leveling grooves, and the lower surfaces of the templates (2) are flush with the lower surfaces of the superimposed sheets (1).
5. The prefabricated laminated slab fixing and mounting structure according to claim 1, wherein: the two sides of the template (2) overlapping the laminated plate (1) are provided with studs (19), the laminated plate (1) is provided with connecting grooves (20) corresponding to the studs (19), and the studs (19) are arranged above the laminated plate (1) in a penetrating mode through the connecting grooves (20) and are in threaded connection with locking nuts (21).
6. The construction method for the prefabricated laminated slab fixed installation structure according to claim 1, which is characterized in that: the method comprises the following steps of:
s1, erecting a plurality of support frames (3), and keeping gaps between the support frames (3) and the support frames (3);
s2, correspondingly arranging laminated plates (1) at the upper ends of each pair of supporting frames (3), and keeping a gap between the laminated plates (1) and the laminated plates (1);
s3, lifting one line of the line locking devices (4) so that the template (2) is in an inclined or vertical state;
s4, controlling the template (2) to descend so that the template (2) descends from a gap between the superimposed sheets (1) to the position below the superimposed sheets (1);
s5: lifting the other line locking device (4) so that the template (2) is in a horizontal state, and enabling two sides of the template (2) to be in contact lap joint with the lower surface of the corresponding laminated slab (1);
s6: the line locking device (4) is fixed with the laminated plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210782085.8A CN115198946B (en) | 2022-06-30 | 2022-06-30 | Prefabricated laminated slab fixed mounting structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210782085.8A CN115198946B (en) | 2022-06-30 | 2022-06-30 | Prefabricated laminated slab fixed mounting structure and construction method |
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| CN115198946A CN115198946A (en) | 2022-10-18 |
| CN115198946B true CN115198946B (en) | 2023-06-23 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207538314U (en) * | 2017-11-30 | 2018-06-26 | 中国能源建设集团江苏省电力建设第三工程有限公司 | A kind of superimposed sheet for making piece splicing by C-shaped steel plate |
| CN209011552U (en) * | 2018-08-27 | 2019-06-21 | 中建八局第二建设有限公司 | A kind of superimposed sheet piece template |
| CN210032569U (en) * | 2019-02-28 | 2020-02-07 | 中国建筑第八工程局有限公司 | Hanging die structure for assembled laminated slab |
| CN210032270U (en) * | 2019-05-07 | 2020-02-07 | 南通市达欣工程股份有限公司 | Assembly type laminated slab joint structure free of formwork |
| CN111535579A (en) * | 2020-05-08 | 2020-08-14 | 广东蕉岭建筑工程集团有限公司 | Construction method for support-free mold hanging tool for horizontal post-pouring belt |
| CN112012481A (en) * | 2020-08-25 | 2020-12-01 | 中国五冶集团有限公司 | Prefabricated laminated slab joint hanging die structure and installation method thereof |
| CN214696357U (en) * | 2021-02-07 | 2021-11-12 | 中铁广州工程局集团有限公司 | Post-cast strip construction structure of coincide floor |
| CN216552610U (en) * | 2021-11-20 | 2022-05-17 | 中建三局集团有限公司 | Cast-in-place area of assembled superimposed sheet hangs mould device can have enough to meet need |
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